A3 Quattro L4-2.0L Turbo (CBFA) (2009)
When removing make sure that the surface of cylinder is not damaged.
Installing
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The surface of piston and seal must only be cleaned with mineral spirits and then dried.
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Thinly coat piston and seal with lithium grease ( G 052 150 A2) before inserting.
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Insert oil seal into brake caliper.
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Insert protective seal - A - into assembly tool T10146/6 - 1 -.
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Press protective cap with assembly tool - 1 - and piston resetting tool - 2 - into brake caliper so that it contacts brake caliper all around.